[INFO] fetching crate rhizome_proc-macro-definitions 0.0.1...
[INFO] testing rhizome_proc-macro-definitions-0.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rhizome_proc-macro-definitions 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rhizome_proc-macro-definitions 0.0.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rhizome_proc-macro-definitions 0.0.1
[INFO] finished tweaking crates.io crate rhizome_proc-macro-definitions 0.0.1
[INFO] tweaked toml for crates.io crate rhizome_proc-macro-definitions 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6159df6f45ca7f4fd7f4b24c53dabf093313e0af381063730991528a278d2dea
[INFO] running `Command { std: "docker" "start" "-a" "6159df6f45ca7f4fd7f4b24c53dabf093313e0af381063730991528a278d2dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6159df6f45ca7f4fd7f4b24c53dabf093313e0af381063730991528a278d2dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6159df6f45ca7f4fd7f4b24c53dabf093313e0af381063730991528a278d2dea", kill_on_drop: false }`
[INFO] [stdout] 6159df6f45ca7f4fd7f4b24c53dabf093313e0af381063730991528a278d2dea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2158a8bd16ee9d562f519d9e26a17b255480fb6e534107d9839cb64bff7f1293
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2158a8bd16ee9d562f519d9e26a17b255480fb6e534107d9839cb64bff7f1293", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling rhizome_proc-macro-definitions v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::parse_macro_input`
[INFO] [stdout]   --> src/lib.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 |     syn::{parse_macro_input, Ident},
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ no `parse_macro_input` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `parse_macro_input`
[INFO] [stdout]   --> src/lib.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let extractable_declaration = parse_macro_input!(input as ExtractableDeclaration);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `extractable_declaration::ExtractableDeclaration`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     extractable_declaration::ExtractableDeclaration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rhizome_proc-macro-definitions` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2158a8bd16ee9d562f519d9e26a17b255480fb6e534107d9839cb64bff7f1293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2158a8bd16ee9d562f519d9e26a17b255480fb6e534107d9839cb64bff7f1293", kill_on_drop: false }`
[INFO] [stdout] 2158a8bd16ee9d562f519d9e26a17b255480fb6e534107d9839cb64bff7f1293